Centrifugal Separator Feedback Control for Stable Separation
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Solution Overview
Problem
Centrifugal separators face challenges in maintaining stable operating conditions due to varying liquid mixture properties and operating conditions, making control of the separation process complex and difficult.
Innovation Solution
A method and system for monitoring separation process performance parameters, determining if they meet target values, and adjusting operational parameters to maintain these values, using a control model that can be shared across multiple separators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual control methods are used for centrifugal separators, then operational flexibility is maintained, but stable operating conditions are difficult to attain and control is challenging
Solution Approach 1:
The patent implements automatic feedback control by monitoring separation process performance parameters (such as light phase turbidity) and using this information to adjust operational parameters (such as rotational speed). This closed-loop control system automatically maintains stable operating conditions without requiring manual intervention, resolving the contradiction between reliability and ease of operation.
Solution Approach 2:
The control system performs self-adjustment by automatically detecting deviations from target performance and correcting operational parameters without external intervention. The separator essentially controls itself through automated monitoring and adjustment mechanisms, eliminating the need for manual operation while ensuring stable performance.
2Productivity
If operational parameters are frequently adjusted to maintain target values, then separation process performance is optimized, but system complexity increases
Solution Approach 1:
The patent replaces complex manual mechanical adjustment systems with automated electronic control. Sensors monitor performance parameters and electronic controllers automatically adjust operational parameters, substituting simple physical adjustments with intelligent automated systems that reduce overall complexity while improving performance optimization.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables dynamic and rapid control of centrifugal separators to achieve stable operating conditions by maintaining desired target values for separation process parameters, optimizing the separation process and ensuring consistent performance.
Implementation Method 1
Centrifugal separators are generally used for separation of liquids and/or for separation of solids from a liquid mixture. During operation, liquid mixture to be separated in a separation process is introduced into a rotating centrifuge bowl and e.g. heavy particles or denser liquid accumulate at the periphery of the rotating bowl whereas less dense liquid accumulates closer to the central axis of rotation.
Data Source
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AI summary
The present disclosure relates to a method of controlling operation of a centrifugal separator (1), and a separator (1) performing the method. The method comprises monitoring (S101) at least one separation process performance parameter of the separator (1), determining (S102) whether or not a value of said monitored at least one separation process performance parameter attains a set target value, and if not controlling (S104) adjustment of at least one operational parameter of the separator affecting said monitored at least one separation process performance parameter such that the set target value is attained.